labarai

Menene hydroxypropyl methyl cellulose?

Hydroxypropyl methyl cellulose (HPMC), Har ila yau aka sani da hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, cellulose, 2-hydroxypropylmethyl ether, PROPYLENE GLYCOL ETHER OF METHYLCELLULOSE, CAS No. 9004-65-3, An yi daga sosai tsarki auduga cellulose karkashin alkaline yanayi na musamman ether. Ana iya raba HPMC zuwa matakin gini, matakin abinci da kuma darajar magunguna bisa ga amfanin sa. Ana amfani da shi sosai wajen gine-gine, abinci, magunguna da kayan kwalliya, sinadarai na yau da kullun da sauran masana'antu.

Menene amfanin HPMC?

Masana'antar gine-gine

1. Masonry turmi
Ƙarfafa mannewa a saman masonry na iya haɓaka riƙewar ruwa, ta haka inganta ƙarfin turmi, da inganta lubricant da filastik don taimakawa aikin ginin. Sauƙaƙan gini yana adana lokaci kuma yana haɓaka ƙimar farashi.
2. Gypsum kayayyakin
Zai iya tsawaita lokacin aiki na turmi kuma ya samar da ƙarfin injiniyoyi mafi girma yayin ƙarfafawa. Ana samar da rufi mai inganci mai inganci ta hanyar sarrafa daidaiton turmi.
3. Ruwan fenti da cire fenti
Zai iya tsawaita rayuwar shiryayye ta hanyar hana hazo mai ƙarfi, kuma yana da kyakkyawar dacewa da kwanciyar hankali na ilimin halitta. Adadin narkar da shi yana da sauri kuma ba mai sauƙi ba ne don haɓakawa, wanda ke taimakawa don sauƙaƙe tsarin hadawa. Samar da halaye masu kyau na kwarara, gami da ƙananan spatter da kyakkyawan matakin daidaitawa, tabbatar da kyakkyawan ƙarewar ƙasa, da hana faɗuwar fenti. Haɓaka danko na mai cire fenti na tushen ruwa da mai cire fenti mai kaushi, ta yadda mai cire fenti ba zai gudana daga saman aikin ba.
4. yumbu tile m
Dry mix sinadaran suna da sauƙi don haɗuwa kuma kada ku haɓaka, adana lokacin aiki saboda ana amfani da su da sauri kuma mafi inganci, inganta haɓakawa da rage farashin. Inganta aikin tiling kuma samar da kyakkyawan mannewa ta hanyar tsawaita lokacin sanyaya.
5. Kai matakin bene kayan
Yana ba da danko kuma ana iya amfani da shi azaman ƙari na daidaitawa don taimakawa haɓaka haɓakar shimfidar ƙasa. Sarrafa riƙe ruwa na iya rage tsagewa da raguwa sosai.
6. Samar da kafaffen shingen kankare
Yana kara habaka da processability na extruded kayayyakin, yana da high bonding ƙarfi da lubricity, da kuma inganta rigar ƙarfi da adhesion na extruded zanen gado.
7. Plate hadin gwiwa filler
Hydroxypropyl methyl cellulose yana da kyakkyawan riƙewar ruwa, yana iya tsawaita lokacin sanyaya, kuma babban lubricinta yana sa aikace-aikacen ya zama santsi. Yana inganta ingancin yanayin yadda ya kamata, yana ba da santsi kuma har ma da rubutu, kuma yana sa farfajiyar haɗin gwiwa ta fi ƙarfi.
8. Gypsum tushen siminti
Yana da babban riƙewar ruwa, yana tsawaita lokacin aiki na turmi, kuma yana iya sarrafa shigar da iska, don haka kawar da ƙananan ƙwayoyin cuta na sutura da samar da wuri mai santsi.

Masana'antar abinci

1. Citrus na gwangwani: don hana fari da lalacewa saboda bazuwar citrus glycosides yayin ajiya, don samun sakamako mai kyau.
2. Kayayyakin 'ya'yan itace masu sanyi: ƙara zuwa ruwan 'ya'yan itace da kankara don sa dandano ya fi kyau.
3. Sauce: ana amfani dashi azaman stabilizer emulsion ko thickener na miya da manna tumatir.
. Bayan shafewa da gogewa tare da methyl cellulose ko hydroxypropyl methyl cellulose bayani mai ruwa, daskare a kan kankara Layer.
5. Adhesive ga Allunan: A matsayin molding m for Allunan da granules, yana da kyau "lokaci guda rugujewa" (sauri narkar da, rushewa da watsawa a lokacin da shan).

Masana'antar harhada magunguna

1. Encapsulation: The encapsulation wakili an sanya shi a cikin wani bayani na Organic kaushi ko ruwa bayani ga kwamfutar hannu gwamnati, musamman ga fesa encapsulation na shirye barbashi.
2. Retarding wakili: 2-3 grams kowace rana, 1-2G a kowace lokaci, don 4-5 kwanaki.
3. Ophthalmic Drug: Tun da osmotic matsa lamba na methyl cellulose aqueous bayani ne iri daya da na hawaye, shi ne m itching ga idanu. Ana saka shi cikin maganin ido a matsayin mai mai don saduwa da ruwan tabarau na ido.
4. Jelly: Ana amfani dashi azaman kayan tushe na jelly kamar magungunan waje ko maganin shafawa.
5. Ipregnating wakili: amfani da matsayin thickener da ruwa retaining wakili.

Masana'antar kwaskwarima

1. Shamfu: Inganta danko da kumfa kwanciyar hankali na shamfu, wanki da kuma wanka.
2. Man goge baki: inganta yawan ruwan man goge baki.

Kilin masana'antu

1. Electronic kayan: kamar yadda latsa forming m na yumbu lantarki compactor da ferrite bauxite maganadisu, shi za a iya amfani da tare da 1.2-propanediol.
2. Glaze magani: amfani da matsayin glaze magani na yumbu da kuma a hade tare da enamel Paint, wanda zai iya inganta bonding da processability.
3. Turmi Refractory: Ana iya ƙara shi zuwa turmi bulo ko simintin tanderun kayan wuta don inganta filastik da riƙe ruwa.

Sauran masana'antu

Hakanan ana amfani da HPMC sosai a cikin guduro roba, sinadarai, yumbu, yin takarda, fata, tawada na ruwa, taba da sauran masana'antu. Ana amfani dashi azaman thickener, dispersant, binder, emulsifier da stabilizer a masana'antar yadi.

Yadda za a tantance ingancin hydroxypropyl methyl cellulose (HPMC) a gani?

1. Chromaticity: ko ​​da yake ba zai iya gane kai tsaye ko HPMC yana da sauƙin amfani ba, kuma idan an ƙara man shafawa a cikin samarwa, ingancinsa zai shafi. Koyaya, ana gab da siyan samfuran inganci.
2. Fineness: HPMC yana da meshes 80 da meshes 100 gabaɗaya, kuma meshes 120 ya ragu. Yawancin HPMCs suna da raga 80. Gabaɗaya magana, fineness offside ya fi kyau.
3. Hasken watsawa: sanya hydroxypropyl methyl cellulose (HPMC) zuwa cikin ruwa don samar da colloid mai haske, sannan ga haskensa yana watsawa. Mafi girman watsa hasken, mafi kyau, yana nuna cewa akwai ƙananan kwayoyin halitta a cikinsa.
4. Nauyi na musamman: Mafi nauyi na musamman, mafi kyau. Rabon yana da mahimmanci, gabaɗaya saboda abun ciki na hydroxypropyl yana da girma. Idan abun ciki na hydroxypropyl yana da girma, riƙewar ruwa ya fi kyau.
Hydroxypropyl methyl cellulose yana da karko ga acid da tushe, kuma maganin sa na ruwa yana da ƙarfi sosai a cikin kewayon pH = 2 ~ 12. Mu ƙwararrun masana'anta ne. Idan kuna buƙatar wannan samfurin, zaku iya tuntuɓar mu. Wannan ke nan don raba HPMC a cikin wannan fitowar. Ina fatan zai iya taimaka muku fahimtar HPMC.